__IPADDR
#define INADDR_PFSYNC_GROUP __IPADDR(0xe00000f0) /* 224.0.0.240 */
#define IN_CLASSA(i) (((uint32_t)(i) & __IPADDR(0x80000000)) == \
__IPADDR(0x00000000))
#define IN_CLASSA_NET __IPADDR(0xff000000)
#define IN_CLASSA_HOST __IPADDR(0x00ffffff)
#define IN_CLASSB(i) (((uint32_t)(i) & __IPADDR(0xc0000000)) == \
__IPADDR(0x80000000))
#define IN_CLASSB_NET __IPADDR(0xffff0000)
#define IN_CLASSB_HOST __IPADDR(0x0000ffff)
#define IN_CLASSC(i) (((uint32_t)(i) & __IPADDR(0xe0000000)) == \
__IPADDR(0xc0000000))
#define IN_CLASSC_NET __IPADDR(0xffffff00)
#define IN_CLASSC_HOST __IPADDR(0x000000ff)
#define IN_CLASSD(i) (((uint32_t)(i) & __IPADDR(0xf0000000)) == \
__IPADDR(0xe0000000))
#define IN_CLASSD_NET __IPADDR(0xf0000000)
#define IN_CLASSD_HOST __IPADDR(0x0fffffff)
#define IN_EXPERIMENTAL(i) (((uint32_t)(i) & __IPADDR(0xf0000000)) == \
__IPADDR(0xf0000000))
#define IN_BADCLASS(i) (((uint32_t)(i) & __IPADDR(0xf0000000)) == \
__IPADDR(0xf0000000))
#define IN_LINKLOCAL(i) (((uint32_t)(i) & __IPADDR(0xffff0000)) == \
__IPADDR(0xa9fe0000))
#define IN_PRIVATE(i) ((((uint32_t)(i) & __IPADDR(0xff000000)) == \
__IPADDR(0x0a000000)) || \
(((uint32_t)(i) & __IPADDR(0xfff00000)) == \
__IPADDR(0xac100000)) || \
(((uint32_t)(i) & __IPADDR(0xffff0000)) == \
__IPADDR(0xc0a80000)))
#define IN_LOCAL_GROUP(i) (((uint32_t)(i) & __IPADDR(0xffffff00)) == \
__IPADDR(0xe0000000))
#define INADDR_ANY __IPADDR(0x00000000)
#define INADDR_LOOPBACK __IPADDR(0x7f000001)
#define INADDR_BROADCAST __IPADDR(0xffffffff) /* must be masked */
#define INADDR_NONE __IPADDR(0xffffffff) /* -1 return */
#define INADDR_UNSPEC_GROUP __IPADDR(0xe0000000) /* 224.0.0.0 */
#define INADDR_ALLHOSTS_GROUP __IPADDR(0xe0000001) /* 224.0.0.1 */
#define INADDR_ALLRTRS_GROUP __IPADDR(0xe0000002) /* 224.0.0.2 */
#define INADDR_CARP_GROUP __IPADDR(0xe0000012) /* 224.0.0.18 */
#define INADDR_MAX_LOCAL_GROUP __IPADDR(0xe00000ff) /* 224.0.0.255 */
#define IN_RFC3021_MASK __IPADDR(0xfffffffe)